Cite

British Columbia / G.G. Aitken, chief geographer.

MLA

of Lands, British Columbia. Dept. British Columbia / G.G. Aitken, Chief Geographer. B.C.]. Dept. of Lands, 1912. https://collections.library.yale.edu/catalog/15536290.

APA, 6th edition

of Lands, B. C. D. (1912). British Columbia / G.G. Aitken, chief geographer. [Maps]. B.C.]. Dept. of Lands, https://collections.library.yale.edu/catalog/15536290.